biological parent

NOUN

birth mother or father

Synonyms

WEAK

biological father biological mother birth father birth mother birth parent father mother natural parent

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

New documents in a lawsuit against Priscilla Presley’s son include claims that Elvis Presley’s granddaughter Riley Keough is the biological parent of John Travolta and the late Kelly Preston’s youngest child, Benjamin.

From Los Angeles Times • Dec. 18, 2025

In September 2023, a law changed in the UK giving people born using a sperm or egg donor in the UK the right to find out the identity of the biological parent.

From BBC • Dec. 8, 2024

In other circumstances, the stepparent becomes the child’s parent in the absence of a biological parent.

From Slate • Aug. 2, 2024

His mother had since married a factory worker, James Robertson, whom Robbie Robertson at first believed was his biological parent.

From Seattle Times • Aug. 9, 2023

"I grew up without my parent, my biological parent, so I had to learn how to communicate with people around the villages to try and survive", she said.

From Reuters • Feb. 22, 2023